92198991 has 8 divisors (see below), whose sum is σ = 126897664. Its totient is φ = 59483160.

The previous prime is 92198989. The next prime is 92199013. The reversal of 92198991 is 19989129.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 92198991 - 2¹ = 92198989 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 92198991.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (92198971) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 495601 + ... + 495786.

It is an arithmetic number, because the mean of its divisors is an integer number (15862208).

Almost surely, 2^92198991 is an apocalyptic number.

92198991 is a deficient number, since it is larger than the sum of its proper divisors (34698673).

92198991 is a wasteful number, since it uses less digits than its factorization.

92198991 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 991421.

The product of its digits is 104976, while the sum is 48.

The square root of 92198991 is about 9602.0305665000. The cubic root of 92198991 is about 451.7609861589.

The spelling of 92198991 in words is "ninety-two million, one hundred ninety-eight thousand, nine hundred ninety-one".